Structure of Atom - Result Question 21

####21. The energy of an electron in the nth  Bohr orbit of hydrogen atom is

[1992]

(a) 13.6n4eV

(b) 13.6n3eV

(c) 13.6n2eV

(d) 13.6neV

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Solution:

  1. (c) Energy of an electron in Bohr’s orbit is given by the relationship. En=13.6n2eV.

(a) Radius of nth  orbit =r1n2. (for H-atom)



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